Tausonite Mineral Data

General Tausonite Information

Chemical Formula:

SrTiO3

Composition:

Molecular Weight = 183.50 gm

Strontium 47.75 % Sr 56.47 % SrO

Titanium 26.09 % Ti 43.53 % TiO₂

Oxygen 26.16 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

SrTiO₃

Environment:

Alkalic igneous rocks. Close to loparite unit cell.

IMA Status:

Approved IMA 1984

Locality:

Murunskii massif, Aldan, Siberia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for L. V. Tauson (1917-1989), Russian geochemist.

Name Pronunciation:

Tausonite + Pronunciation

Synonym:

ICSD 201256

PDF 35-734

Tausonite Image

Images:

Tausonite

Comments: Brown crystal of tausonite in matrix.
Location: Murun massif, Chara River, Davan, Torgo River Basin, Aldan Shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Tausonite Crystallography

Cell Dimensions:

a = 3.9048, Z = 1; V = 59.54 Den(Calc)= 5.12

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P m3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.76(1), 2.77(1), 1.952(0.5),

Crystal Structure:

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Yamanaka T , Hirai M , Komatsu Y , American Mineralogist , 87 (2002) p.1183-1189, Structure change of Ca1-xSrxTiO3 perovskite with composition and pressure, Sample: Ca.4Sr.6TiO3, x = 0.6

View Additional jPOWD Structure files for Tausonite
[1] [10] [11] [2] [3] [4] [5] [6] [7] [8] [9]

Physical Properties of Tausonite

Cleavage:

None

Color:

Brown red, Gray, Dark red, Red, Reddish brown.

Density:

4.88

Diaphaneity:

Translucent to Opaque

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Habit:

Cubic Crystals - Occurs as cubic shaped crystals.

Habit:

Octahedral Crystals - Occurs as octahedral shaped crystals.

Hardness:

6-6.5 - Orthoclase-Pyrite

Luster:

Adamantine

Streak:

brownish white

Optical Properties of Tausonite

Optical Data:

Isotropic.

NCalc= 2.3 - from Gladstone-Dale relationship (KC = 0.253) where Ncalc=Dcalc*KC+1
NCalc= 2.23 - from Gladstone-Dale relationship (KC = 0.253) where Ncalc=Dmeas*KC+1

Calculated Properties of Tausonite

Electron Density:

Bulk Density (Electron Density)=4.69 gm/cc
note: Specific Gravity of Tausonite =5.12 gm/cc.

Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Photoelectric:

PE_Tausonite= 59.62 barns/electron
U=PE_Tausonite x rElectron Density= 279.47 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tausonite is Not Radioactive

Tausonite Classification

Dana Class:

04.03.03.05 (04)Simple Oxides

(04.03)with a cation charge of 3+ (A+++2 O3)

(04.03.03)Perovskite Group

04.03.03.01 Perovskite CaTiO3 P nma 2/m 2/m 2/m

04.03.03.02 Latrappite (Ca,Na)(Nb,Ti,Fe)O3 Pcmn 2/m 2/m 2/m

04.03.03.03 Loparite-(Ce) (Ce,Na,Ca)2(Ti,Nb)2O6 P m3m 4/m 3 2/m

04.03.03.04 Lueshite NaNbO3 P 222₁ 2 2 2

04.03.03.05 Tausonite SrTiO3 P m3m 4/m 3 2/m

04.03.03.06 Isolueshite! (Na,La,Ca)(Nb,Ti)O3 P m3m 4/m 3 2/m

04.03.03.07 Barioperovskite! BaTiO3 Amm2 mm2

04.03.03.08 Lakargiite! CaZrO3 P nma 2/m 2/m 2/m

Strunz Class:

04.CC.35 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.C - Metal:Oxygen = 2:3, 3:5, and Similar

04.CC -With large and medium-sized cations

04.CC.35 Isolueshite! (Na,La,Ca)(Nb,Ti)O3 P m3m 4/m 3 2/m

04.CC.35 Loparite-(Ce) (Ce,Na,Ca)2(Ti,Nb)2O6 P m3m 4/m 3 2/m

04.CC.35 Macedonite PbTiO3 P 4/mmm 4/m 2/m 2/m

04.CC.35 Tausonite SrTiO3 P m3m 4/m 3 2/m

Other Tausonite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Tausonite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Ask about Tausonite here :
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Print or Cut-and-Paste your Tausonite Specimen Label here :

Tausonite

SrTiO3
Dana No: 04.03.03.05 Strunz No: 04.CC.35
Locality:

Notes: